Home / 36,315.73-54,495.47-14,139.55

Finding the Fourth Proportional to 36,315.73, 54,495.47 and 14,139.55

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Solution

The fourth proportional to 36,315.73, 54,495.47 and 14,139.55 is: 21,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315.73 : 54,495.47 = 14,139.55 : x
  2. Step 2: Convert to fraction form
    36,315.73/54,495.47 = 14,139.55/x
  3. Step 3: Cross multiply
    36,315.73x = 54,495.47 × 14,139.55
  4. Step 4: Simplify right side
    36,315.73x = 770,541,422.84
  5. Step 5: Solve for x
    x = 770,541,422.84/36,315.73
  6. Step 6: Final answer
    x = 21,217.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.